(2R)-2-(2-fluorophenyl)-3-[2-[4-[(2R)-2-(2-fluorophenyl)-4-oxidanylidene-1,2-dihydroquinazolin-3-yl]piperidin-1-yl]ethyl]-1,2-dihydroquinazolin-4-one

O43924 — Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta